Top Inventors at Elevator Equipment All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Elmer J. Simpson | 2 |
| 2 | Glen A. Rued | 2 |
| 3 | William A. P. Lawrence | 2 |
| #4 | Robert J. Whelchel | 1 |
| #5 | Robert J. Welchel | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Elmer J. Simpson | 2 |
| 2 | Glen A. Rued | 2 |
| 3 | William A. P. Lawrence | 2 |
| #4 | Robert J. Whelchel | 1 |
| #5 | Robert J. Welchel | 1 |